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福利?现有WP手机升级Win10后也可以支持虹膜识别 - 站长搜索
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福利?现有WP手机升级Win10后也可以支持虹膜识别

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2015-10-24 11:15:06 转载来源: 网络整理/侵权必删

站长搜索讯 微软于本月初发布的Win10旗舰手机Lumia950、Lumia950 XL亮点之一就是支持虹膜识别,解锁手机只需“瞄一眼”即可,其识别能力即便是戴上墨镜也不在话下。今天,微软帮助与支持官微发表微博对虹膜识别相关技术进行了科普,亮点是,理论上现有Windows Phone手机的普通摄像镜头也能够胜任眼部虹膜扫描,只要硬件厂商通过固件更新等方式在技术层面开启即可

站长搜索讯 微软于本月初发布的Win10旗舰手机Lumia950、Lumia950 XL亮点之一就是支持虹膜识别,解锁手机只需“瞄一眼”即可,其识别能力即便是戴上墨镜也不在话下。

今天,微软帮助与支持官微发表微博对虹膜识别相关技术进行了科普,亮点是,理论上现有Windows Phone手机的普通摄像镜头也能够胜任眼部虹膜扫描,只要硬件厂商通过固件更新等方式在技术层面开启即可。

也就是说,只要硬件厂商愿意为用户更新固件,那么用户在升级Win10 Mobile后就可以享用Window Hello虹膜扫描登录了。

以下是部分原文摘录:

虹膜识别 

其实眼部可用于身份识别的常见技术至少有两种,分别为视网膜识别和虹膜识别。前者需要专业设备扫描眼睛后部的血管图案进行识别,特点是精度高,可靠性强,但设备要求也非常高。相比之下,虹膜识别就简单得多,只需要扫描眼睛前部的虹膜就可完成,普通相机/摄像头就可胜任。

理论上说,现有手机摄像头就可以完成识别功能,也就是说现有Windows Phone手机升级Win10 Mobile后无需添加或者改造硬件就可以使用虹膜识别,你需要等待的就是硬件厂商通过固件更新等方式在技术层面开启这项功能。如果摄像头要用于此类识别,需要使用一个发光二极管和光接收传感器。这些用于扫描虹膜的光通常为不可见光(近红外线),以便摄像头能够执行扫描过程。扫描可在低亮度(甚至是暗室)条件下进行,被扫描者可佩带清晰的隐形眼镜、传统眼镜以及不具有反光镜面的太阳镜。从硬件层面来说,虹膜识别要比指纹识别更易推广,因为它所需要的普通摄像头已经非常普遍,而指纹识别还需要专用设备支持。和人脸识别相比,普通摄像头体积较小,一般来说相当于F200的一半。

不过在使用虹膜识别的时候,用户需要离摄像头近一些,以便摄像头能够捕捉到虹膜信息。正因为这个特点,它更适合用在手机上。最新的Lumia950和Lumia950 XL即将使用这项技术。

微软法国官方发布了一则Lumia950 XL实机演示视频,展示Lumia950 XL的Windows10 Mobile界面、相机和可拆卸后壳,另外还有Windows Hello虹膜扫描解锁功能,值得注意的是,用户戴上墨镜也支持虹膜解锁,速度在2秒左右。(via: 微软帮助与支持)

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标签: 福利 现有 WP 手机 升级 Win10 也可以 支持 虹膜


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